
natural本身作名词和形容词。
naturaladj.自然的;天然的;正常的;
n.有天赋的人;擅长做某事的人
She was the natural choice for the job.
做那份工作,她是当然人选。
The body has natural defence mechanisms to protect it from disease.
人体对疾病具有先天性防御机制。
The area has good natural drainage.
这个地区有良好的天然排水系统。
粮食市场行情